<tr>
  <td><%= link_to requirement.title, :controller => "/requirement", :action => "show", :id => requirement.id%></td>
  <td><%= requirement.created_at.to_date.to_s%></td>
  <td><%= Retype.find(requirement.retype_id).name%></td>
  <td><%= requirement.click_times%></td>
  <td><%= requirement.comments.length%></td>
</tr>